Unless you see some heavy appreciation coming along, which it does not seem that way, why would you rent it out?

Renting to SU students can be a complete nightmare because they can be heavy drinkers and destructive. 

All Cash Flow Vehicles High Dividend StocksStock OptionsMortgage NotesReal Estate Debt InvestingLong Term RentalMid Term RentalHigh Yield Savings AccountI had the same amount after I sold off most of my rental properties and paid everything off, now I do all the above. 

Multiple, billion dollar companies are investing heavy in our area, such as Intel, Google, and Amazon.

Now this is not to say I would go that route if I were you... it's a very heavy lift on a first-time deal.

Three pages sounds too heavy for a rehab of that size...

Multiple, billion dollar companies are investing heavy in our area, such as Intel, Google, and Amazon.

Heavy pitch. 

We think it will make a great short-term rental in a very office-space-heavy area.I want to offer her a higher sale price (closer to what she wants) if we can make the deal work for us.Any suggestions?

It is pretty straight forward - I would provide the sourcing, the loan vehicle (it would be my primary mortgage loan), and the property management while my sibling would bring the downpayment.